Because the human eye to object displacement to distinguish between 0.1s, and 0.1s when the fan turn fast may turn 350 degrees, looks like reversal of 10 degrees, so add up, like upside down

Q:How to make the electric fan in the house to achieve the best results?

If the fan doesn't get into the wind outside the window, it doesn't seem very good to follow the direction of the wind.

Q:How to do if the electric fan is noisy?

Add a bit of grease to the axle, sew on the oil, or order some cooking oil

Q:Can the electric fan blow to the notebook computer?

Yes, but over time, the screen will be gray and cleaned up. If you consider the heat dissipation, the fan effect is normal, and the electricity costs

Q:What is the function of the fan?

The fan is rotated by the motor to accelerate the air circulation around the body, and the speed of the evaporation of water from the pores of the skin of the human body is accelerated, and the heat taken away by the evaporation process of the human body is increased, and the people feel cool

Q:Why not head fan to blow?

The blower is suitable for choosing the head. If the fan blows directly to the head and neck, the scalp temperature drops, the reflex causes the contraction of the cerebral blood vessels, and the brain blood flow also decreases. For the elderly with cardiovascular and cerebrovascular diseases, severe stroke can be induced